Protocol Engineer jobs in United States
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Fun.xyz · 1 month ago

Protocol Engineer

positionNew York, NY
timeFull-time
remoteOnsite
seniorityMid, Senior Level

Fun.xyz is a company that envisions a tokenized future to grant financial emancipation through innovative payment solutions. They are looking for a Protocol Engineer to join their blockchain team to design and implement secure smart contract systems and blockchain integrations, contributing to the future of decentralized finance.

AppsBlockchainInformation TechnologyWeb DevelopmentWeb3
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H1B Sponsor Likelynote

Responsibilities

Design, develop, and deploy secure smart contracts and protocol implementations across multiple blockchain platforms
Collaborate with backend and product teams to architect blockchain solutions that meet business requirements
Write highly efficient, well-tested code and participate in security audits to ensure protocol safety
Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities
Contribute to incident response and debugging on-chain issues to ensure protocol reliability

Qualification

Smart contract developmentBlockchain architectureDeFi protocolsCross-chain communicationSecurity best practicesSolidityRustClear communicator

Required

Strong experience building and deploying production smart contracts on major blockchain platforms
Deep understanding of blockchain architecture, consensus mechanisms, and cryptographic principles
Hands-on experience with smart contract development languages (Solidity, Rust, Move, etc.)
Solid grasp of DeFi protocols, token standards, and cross-chain communication patterns
Strong security mindset with knowledge of common smart contract vulnerabilities and best practices
Clear communicator who can explain complex blockchain concepts to cross-functional teams

Preferred

Production experience with multiple blockchain ecosystems (Ethereum, Solana, L2s, etc.)
Previously worked at crypto startup or Web3 infrastructure company
Experience with cross-chain bridges, oracles, or interoperability protocols
Background with high-volume DeFi protocols or DEX infrastructure
Contributions to blockchain open source projects or protocol research
Experience with formal verification or advanced smart contract testing frameworks

Company

Fun.xyz

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Fun.xyz envisions a tokenized world where anyone, anywhere, can buy anything, with anything.
dateFounded in 2022
location
San Francisco, California, USA
people-size11-50 employees
web-link
https://fun.xyz

H1B Sponsorship

Fun.xyz has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (5)
2023 (3)

Funding

Current Stage
Early Stage
Total Funding
$13.9M
Key Investors
StreamlinedJAM Fund
2023-10-22Seed· $10M
2023-08-02Pre Seed
2022-10-27Pre Seed· $3.9M

Leadership Team

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Alex Fine
Co-Founder & CEO
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Ken S.
Interim CTO
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Recent News

Crowdfund Insider
Blockchain Software Dev Firm Secures $3.9M to Build dWallet Apps
2022-10-31
The Block
Tinder co-founder's Jam Fund backs Fun’s $3.9 million raise
2022-10-28
FinSMEs
Fun Raises $3.9M in Pre-Seed Funding
2022-10-28
Company data provided by crunchbase